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  2. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    [0; 4, 4, 8, 16, 18, 5, 1, 1, 1, 1, 7, 1, 1, 6, 2, 9, 58, 1, 3, 4, …] [OEIS 100] Computed up to 1 011 597 392 terms by E. Weisstein. He also noted that while the Champernowne constant continued fraction contains sporadic large terms, the continued fraction of the Copeland–ErdÅ‘s Constant do not exhibit this property. [Mw 85] Base 10 ...

  3. List of physical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_constants

    The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured. Many of these are redundant, in the sense that they obey a known relationship with other physical ...

  4. Mathematical constant - Wikipedia

    en.wikipedia.org/wiki/Mathematical_constant

    Constants arise in many areas of mathematics, with constants such as e and π occurring in such diverse contexts as geometry, number theory, statistics, and calculus. Some constants arise naturally by a fundamental principle or intrinsic property, such as the ratio between the circumference and diameter of a circle (π). Other constants are ...

  5. Metrology - Wikipedia

    en.wikipedia.org/wiki/Metrology

    Scientific metrology plays an important role in this redefinition of the units as precise measurements of the physical constants is required to have accurate definitions of the base units. To redefine the value of a kilogram without an artefact the value of the Planck constant must be known to twenty parts per billion. [ 19 ]

  6. Constant (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Constant_(mathematics)

    [1] [2] The terms mathematical constant or physical constant are sometimes used to distinguish this meaning. [3] A function whose value remains unchanged (i.e., a constant function). [4] Such a constant is commonly represented by a variable which does not depend on the main variable(s) in question.

  7. Category:Mathematical constants - Wikipedia

    en.wikipedia.org/.../Category:Mathematical_constants

    Pages in category "Mathematical constants" The following 92 pages are in this category, out of 92 total. This list may not reflect recent changes. ...

  8. List of constants - Wikipedia

    en.wikipedia.org/wiki/List_of_constants

    List of constants may refer to: List of mathematical constants; List of physical constants This page was last edited on 16 ...

  9. Physical constant - Wikipedia

    en.wikipedia.org/wiki/Physical_constant

    A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that cannot be explained by a theory and therefore must be measured experimentally. It is distinct from a mathematical constant , which has a fixed numerical value, but does not directly involve any physical measurement.